What does code P1340 mean?

Q: What does code P1340 mean?

CKP CMP Sensor Signals Out Of Sequence. P1340 on Volkswagen vehicles means the engine control module (ECM) has detected that the crankshaft position (CKP) and camshaft position (CMP) sensor signals are not in the expected mechanical sequence. The ECM compares the two signals to verify timing chain or belt alignment, and this code sets when the relationship falls outside the programmed window.

DTC codes / Volkswagen codes / P1340

P1340 · VolkswagenCKP CMP Sensor Signals Out Of Sequence

P1340 on Volkswagen vehicles means the engine control module (ECM) has detected that the crankshaft position (CKP) and camshaft position (CMP) sensor signals are not in the expected mechanical sequence. The ECM compares the two signals to verify timing chain or belt alignment, and this code sets when the relationship falls outside the programmed window.

SystemPowertrain

Code typeVolkswagen specific

SeverityHigh

Fix difficultyProfessional

AreaIgnition system and misfire

Guidance is general and written for Volkswagen vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.